Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.73 − 52 =
- 2.64 − 18 =
- 3.76 − 14 =
- 4.92 − 69 =
- 5.92 − 62 =
- 6.98 − 31 =
- 7.83 − 12 =
- 8.78 − 18 =
- 9.78 − 25 =
- 10.98 − 85 =
- 11.99 − 12 =
- 12.52 − 28 =
- 13.80 − 46 =
- 14.97 − 74 =
- 15.99 − 84 =
- 16.61 − 19 =
- 17.92 − 46 =
- 18.92 − 72 =
- 19.98 − 71 =
- 20.86 − 33 =
- 21.99 − 59 =
- 22.85 − 36 =
- 23.58 − 31 =
- 24.79 − 54 =
- 25.59 − 26 =
- 26.64 − 13 =
- 27.91 − 31 =
- 28.58 − 46 =
- 29.59 − 16 =
- 30.62 − 47 =
- 31.95 − 58 =
- 32.83 − 66 =
- 33.72 − 25 =
- 34.59 − 32 =
- 35.73 − 31 =
- 36.89 − 29 =
- 37.79 − 36 =
- 38.63 − 41 =
- 39.98 − 48 =
- 40.98 − 83 =
Answer key
- 21
- 46
- 62
- 23
- 30
- 67
- 71
- 60
- 53
- 13
- 87
- 24
- 34
- 23
- 15
- 42
- 46
- 20
- 27
- 53
- 40
- 49
- 27
- 25
- 33
- 51
- 60
- 12
- 43
- 15
- 37
- 17
- 47
- 27
- 42
- 60
- 43
- 22
- 50
- 15
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths